The number of solutions of the equation `2cos^(2)x+3sin x-3=0,x in(0,2 pi)` is

The number of solutions of the equation x^(3)+2x^(2)+5x+2cos x=0 in (0,2 pi] is

Number of solutions of the equation 2sin^(3)x+6sin^(2)x-sin x-3=0 in (0,2 pi) are

The number of solutions of the equation x^(3)+2x^(2)+5x+2cos x=0 in [0,2 pi] is lambda then (lambda)/(4)=

The number of solutions of equations sin2x+cos2x+sin x+cos x+1=0 in [0,2 pi] is

The number of solutions of the equation sin x . Sin 2x. Sin 3x=1 in [0,2pi] is

The number of solutions of the equation sin x . Sin 2x. Sin 3x=1 in [0,2pi] is

The number of solutions of the equation sin x . Sin 2x. Sin 3x=1 in [0,2pi] is

The number of solution of equations sin2x+cos2x+sin x+cos x+1=0 in [0,2 pi]

The number of solutions of the equation (3+cos x)^(2)=4-2sin^(8)x" in "[0, 9pi) is equal to

The number of solutions of the equation (3+cos x)^(2)=4-2sin^(8)x" in "[0, 9pi) is equal to